the correct answer is 83.
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Answer:
1,138 steps
Step-by-step explanation:
According to the scenario, computation of the given data are as follows,
Steps counted to school = 1,138
So, we can calculate the steps he take walking to school by using following formula,
Steps take walking to school = Steps he counted to school
So, Steps take walking to school = 1,138 steps
Hence, Esteban take 1,138 steps while walking to school.
 
        
             
        
        
        
To start, find your equation, n=3000(.5)^t, n being your number of bacteria and t being your time. Now plug in 375 for n and solve for t, 375=3000(.5)^t, .125=.5^t, 

. This means your answer is 3 minutes. To check it, plug it into your equation. n=3000(.5)^t=3000(.125)=375
 
        
        
        
A = 
5 and -5
-1 and 3
¹/₃B = 
-6 and 12
-7 and 7
¹/₃B + A =
-1 and 7
-8 and 10